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Finding the Fourth Proportional to 575,269.64, 862,716.65 and 190,915.25

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Solution

The fourth proportional to 575,269.64, 862,716.65 and 190,915.25 is: 286,310.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,269.64 : 862,716.65 = 190,915.25 : x
  2. Step 2: Convert to fraction form
    575,269.64/862,716.65 = 190,915.25/x
  3. Step 3: Cross multiply
    575,269.64x = 862,716.65 × 190,915.25
  4. Step 4: Simplify right side
    575,269.64x = 164,705,759,645.75
  5. Step 5: Solve for x
    x = 164,705,759,645.75/575,269.64
  6. Step 6: Final answer
    x = 286,310.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.